mirror of
https://we.phorge.it/source/phorge.git
synced 2024-11-14 10:52:41 +01:00
c9e2df6799
Summary: Builds a consistent 'selected, hover' state slightly darker than selected states. Test Plan: Tested Conpherence, Sidenavs Reviewers: epriestley Subscribers: epriestley, Korvin Differential Revision: https://secure.phabricator.com/D9345
299 lines
8.1 KiB
PHP
299 lines
8.1 KiB
PHP
<?php
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/**
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* @group celerity
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*/
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final class CelerityResourceTransformer {
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private $minify;
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private $rawURIMap;
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private $celerityMap;
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private $translateURICallback;
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private $currentPath;
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public function setTranslateURICallback($translate_uricallback) {
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$this->translateURICallback = $translate_uricallback;
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return $this;
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}
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public function setMinify($minify) {
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$this->minify = $minify;
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return $this;
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}
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public function setCelerityMap(CelerityResourceMap $celerity_map) {
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$this->celerityMap = $celerity_map;
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return $this;
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}
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public function setRawURIMap(array $raw_urimap) {
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$this->rawURIMap = $raw_urimap;
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return $this;
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}
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public function getRawURIMap() {
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return $this->rawURIMap;
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}
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/**
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* @phutil-external-symbol function jsShrink
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*/
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public function transformResource($path, $data) {
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$type = self::getResourceType($path);
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switch ($type) {
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case 'css':
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$data = $this->replaceCSSPrintRules($path, $data);
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$data = $this->replaceCSSVariables($path, $data);
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$data = preg_replace_callback(
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'@url\s*\((\s*[\'"]?.*?)\)@s',
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nonempty(
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$this->translateURICallback,
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array($this, 'translateResourceURI')),
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$data);
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break;
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}
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if (!$this->minify) {
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return $data;
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}
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// Some resources won't survive minification (like Raphael.js), and are
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// marked so as not to be minified.
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if (strpos($data, '@'.'do-not-minify') !== false) {
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return $data;
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}
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switch ($type) {
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case 'css':
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// Remove comments.
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$data = preg_replace('@/\*.*?\*/@s', '', $data);
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// Remove whitespace around symbols.
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$data = preg_replace('@\s*([{}:;,])\s*@', '\1', $data);
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// Remove unnecessary semicolons.
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$data = preg_replace('@;}@', '}', $data);
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// Replace #rrggbb with #rgb when possible.
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$data = preg_replace(
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'@#([a-f0-9])\1([a-f0-9])\2([a-f0-9])\3@i',
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'#\1\2\3',
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$data);
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$data = trim($data);
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break;
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case 'js':
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// If `jsxmin` is available, use it. jsxmin is the Javelin minifier and
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// produces the smallest output, but is complicated to build.
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if (Filesystem::binaryExists('jsxmin')) {
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$future = new ExecFuture('jsxmin __DEV__:0');
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$future->write($data);
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list($err, $result) = $future->resolve();
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if (!$err) {
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$data = $result;
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break;
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}
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}
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// If `jsxmin` is not available, use `JsShrink`, which doesn't compress
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// quite as well but is always available.
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$root = dirname(phutil_get_library_root('phabricator'));
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require_once $root.'/externals/JsShrink/jsShrink.php';
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$data = jsShrink($data);
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break;
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}
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return $data;
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}
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public static function getResourceType($path) {
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return last(explode('.', $path));
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}
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public function translateResourceURI(array $matches) {
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$uri = trim($matches[1], "'\" \r\t\n");
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$tail = '';
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// If the resource URI has a query string or anchor, strip it off before
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// we go looking for the resource. We'll stitch it back on later. This
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// primarily affects FontAwesome.
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$parts = preg_split('/(?=[?#])/', $uri, 2);
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if (count($parts) == 2) {
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$uri = $parts[0];
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$tail = $parts[1];
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}
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$alternatives = array_unique(
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array(
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$uri,
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ltrim($uri, '/'),
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));
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foreach ($alternatives as $alternative) {
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if ($this->rawURIMap !== null) {
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if (isset($this->rawURIMap[$alternative])) {
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$uri = $this->rawURIMap[$alternative];
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break;
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}
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}
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if ($this->celerityMap) {
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$resource_uri = $this->celerityMap->getURIForName($alternative);
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if ($resource_uri) {
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// Check if we can use a data URI for this resource. If not, just
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// use a normal Celerity URI.
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$data_uri = $this->generateDataURI($alternative);
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if ($data_uri) {
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$uri = $data_uri;
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} else {
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$uri = $resource_uri;
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}
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break;
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}
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}
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}
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return 'url('.$uri.$tail.')';
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}
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private function replaceCSSVariables($path, $data) {
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$this->currentPath = $path;
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return preg_replace_callback(
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'/{\$([^}]+)}/',
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array($this, 'replaceCSSVariable'),
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$data);
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}
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private function replaceCSSPrintRules($path, $data) {
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$this->currentPath = $path;
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return preg_replace_callback(
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'/!print\s+(.+?{.+?})/s',
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array($this, 'replaceCSSPrintRule'),
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$data);
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}
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public static function getCSSVariableMap() {
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return array(
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// Base Colors
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'red' => '#c0392b',
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'lightred' => '#f4dddb',
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'orange' => '#e67e22',
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'lightorange' => '#f7e2d4',
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'yellow' => '#f1c40f',
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'lightyellow' => '#fdf5d4',
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'green' => '#139543',
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'lightgreen' => '#d7eddf',
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'blue' => '#2980b9',
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'lightblue' => '#daeaf3',
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'sky' => '#3498db',
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'lightsky' => '#ddeef9',
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'indigo' => '#c6539d',
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'lightindigo' => '#f5e2ef',
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'violet' => '#8e44ad',
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'lightviolet' => '#ecdff1',
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'charcoal' => '#4b4d51',
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'backdrop' => '#c4cde0',
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'hovergrey' => '#c5cbcf',
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'hoverblue' => '#eceff5',
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'hoverborder' => '#dfe1e9',
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'hoverselectedgrey' => '#bbc4ca',
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'hoverselectedblue' => '#e6e9ee',
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// Base Greys
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'lightgreyborder' => '#C7CCD9',
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'greyborder' => '#A1A6B0',
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'darkgreyborder' => '#676A70',
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'lightgreytext' => '#92969D',
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'greytext' => '#74777D',
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'darkgreytext' => '#4B4D51',
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'lightgreybackground' => '#F7F7F7',
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'greybackground' => '#EBECEE',
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'darkgreybackground' => '#DFE0E2',
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// Base Blues
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'thinblueborder' => '#DDE8EF',
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'lightblueborder' => '#BFCFDA',
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'blueborder' => '#8C98B8',
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'darkblueborder' => '#626E82',
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'lightbluebackground' => '#F8F9FC',
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'bluebackground' => '#DAE7FF',
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'lightbluetext' => '#8C98B8',
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'bluetext' => '#6B748C',
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'darkbluetext' => '#464C5C',
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);
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}
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public function replaceCSSVariable($matches) {
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static $map;
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if (!$map) {
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$map = self::getCSSVariableMap();
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}
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$var_name = $matches[1];
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if (empty($map[$var_name])) {
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$path = $this->currentPath;
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throw new Exception(
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"CSS file '{$path}' has unknown variable '{$var_name}'.");
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}
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return $map[$var_name];
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}
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public function replaceCSSPrintRule($matches) {
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$rule = $matches[1];
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$rules = array();
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$rules[] = '.printable '.$rule;
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$rules[] = "@media print {\n ".str_replace("\n", "\n ", $rule)."\n}\n";
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return implode("\n\n", $rules);
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}
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/**
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* Attempt to generate a data URI for a resource. We'll generate a data URI
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* if the resource is a valid resource of an appropriate type, and is
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* small enough. Otherwise, this method will return `null` and we'll end up
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* using a normal URI instead.
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*
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* @param string Resource name to attempt to generate a data URI for.
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* @return string|null Data URI, or null if we declined to generate one.
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*/
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private function generateDataURI($resource_name) {
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$ext = last(explode('.', $resource_name));
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switch ($ext) {
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case 'png':
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$type = 'image/png';
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break;
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case 'gif':
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$type = 'image/gif';
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break;
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case 'jpg':
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$type = 'image/jpeg';
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break;
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default:
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return null;
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}
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// In IE8, 32KB is the maximum supported URI length.
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$maximum_data_size = (1024 * 32);
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$data = $this->celerityMap->getResourceDataForName($resource_name);
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if (strlen($data) >= $maximum_data_size) {
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// If the data is already too large on its own, just bail before
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// encoding it.
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return null;
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}
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$uri = 'data:'.$type.';base64,'.base64_encode($data);
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if (strlen($uri) >= $maximum_data_size) {
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return null;
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}
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return $uri;
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}
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}
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